Answer:
8 packages.
Step-by-step explanation:
8 x 6 is 48. So that will get Mary 44 that she needs and 4 extras. Any smaller number of packages will mean not enough cookies. :-(
...............
......
$25.5
12.75 divided into 3 is 4.25 and then 4.25 times 6 gives you 25.5
x = 88
The sum of the angles in a triangle add to 180
47+45 +x = 180
Combine like terms
92+x = 180
Subtract 92 from each side
92+x-92= 180-92
x =88